SOLUTION: A teacher has 7 textbooks to arrange on a shelf. If the textbooks are arranged at random, what is the probability that the textbooks will be arranged in alphabetical order? Enter

Question 1037128: A teacher has 7 textbooks to arrange on a shelf.
If the textbooks are arranged at random, what is the probability that the textbooks will be arranged in alphabetical order? Enter your answer as a decimal.
I am confused if this a Permutation or Combination. How do I set this up?
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
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A teacher has 7 textbooks to arrange on a shelf.
If the textbooks are arranged at random, what is the probability that the textbooks will be arranged in alphabetical order?
Enter your answer as a decimal.
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As I understand the condition (and as the condition SHOULD be), there is only one way to arrange the textbooks in the alphabetical order. 

All other ways are not the alphabetical order.

The total number of arrangements is 7!

Hence, the answer is .

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